CN212181973U

CN212181973U - Low temperature resistant cable

Info

Publication number: CN212181973U
Application number: CN202020907613.4U
Authority: CN
Inventors: 左福生
Original assignee: Jiangsu China Railway Huayang Yinhe Cable Co ltd
Current assignee: Jiangsu China Railway Huayang Yinhe Cable Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-18
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a low temperature resistant cable relates to cable technical field. This low temperature resistant cable, including a plurality of wires, it is a plurality of wire intertwine to one, the fixed insulating layer that is equipped with in the wire outside, the fixed layer of preventing puncturing that is equipped with in the insulating layer outside, prevent the fixed protection mechanism that is equipped with in the layer outside of puncturing. This low temperature resistant cable can make through the setting that utilizes the cavity the utility model discloses provide the space of expend with heat and contract with cold when receiving too high or low temperature excessively to avoid the easy fracture that the expend with heat and contract with cold leads to, then the setting of recycling first high temperature resistant layer can be when receiving high temperature or low temperature to a plurality of wires heat absorption and heat preservation, then can utilize the second high temperature resistant layer can be further protect a plurality of wires when bad weather, then recycle low temperature resistant layer and make for the EVA material and can make the utility model discloses can be low temperature resistant, thereby it is right the utility model discloses a low temperature resistance can improve.

Description

Low temperature resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a low temperature resistant cable.

Background

A wire made of one or more mutually insulated conductors and an outer insulating protective layer for transmitting power or information from one place to another; typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and is classified, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The existing cable is lack of a good low-temperature-resistant and high-temperature-resistant structure, so that the cable is easily damaged when the cable is subjected to high temperature difference of special weather, the service life of the cable is influenced, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a low temperature resistant cable to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a low-temperature-resistant cable comprises a plurality of wires, wherein the wires are mutually wound to form one strand, an insulating layer is fixedly arranged on the outer side of each wire, a puncture-proof layer is fixedly arranged on the outer side of each insulating layer, and a protection mechanism is fixedly arranged on the outer side of each puncture-proof layer;

protection mechanism includes the insulating layer, the insulating layer is located and is prevented the puncture layer outside, a plurality of support columns of fixedly connected with between insulating layer and the puncture layer of preventing, be equipped with the cavity between insulating layer and the puncture layer of preventing, it is a plurality of inside the cavity is all located to the support column, adjacent two all be equipped with first high temperature resistant layer between the support column, the fixed high temperature resistant layer of second that is equipped with in the insulating layer outside, the fixed low temperature resistant layer that is equipped with in second high temperature resistant layer outside, the internal fixed heat conduction silk that is equipped with of second high temperature resistant layer, heat conduction silk one end extends to the insulating layer outside and contacts with the heat conduction silk.

Preferably, the second high temperature resistant layer and the first high temperature resistant layer are both made of paraffin materials.

Preferably, the support columns are all made of rubber materials, and the heat conducting wires are all heat conducting metal wires.

Preferably, the insulating layer is made of an insulating material, and the anti-puncturing layer is an anti-puncturing film.

Preferably, the low temperature resistant layer is made of EVA materials, a wear-resistant layer is fixedly arranged on the outer side of the low temperature resistant layer, and the wear-resistant layer is made of wear-resistant materials.

Preferably, the other ends of the plurality of heat conducting wires penetrate through the low temperature resistant layer and are in contact with the inner wall of the wear-resistant layer.

Preferably, a plurality of the heat conduction wires are uniformly distributed in the second high temperature resistant layer, and a plurality of the support columns are uniformly distributed in the cavity.

The utility model provides a low temperature resistant cable, its beneficial effect who possesses as follows:

1. this low temperature resistant cable can make through the setting that utilizes the cavity the utility model discloses provide the space of expend with heat and contract with cold when receiving too high or low temperature excessively to avoid the easy fracture that the expend with heat and contract with cold leads to, then the setting of recycling first high temperature resistant layer can be when receiving high temperature or low temperature to a plurality of wires heat absorption and heat preservation, then can utilize the second high temperature resistant layer can be further protect a plurality of wires when abominable weather, then recycle low temperature resistant layer and make for the EVA material and can make the utility model discloses can be low temperature resistant, thereby it is right the utility model discloses a low temperature resistant performance has carried out the improvement, and is whole the utility model discloses make progress on high temperature resistant and low temperature resistant.

2. This low temperature resistant cable is for preventing piercing the membrane through utilizing to prevent piercing the layer, thereby can increase the utility model discloses an anti-piercing performance, then recycle the insulating layer and make for insulating material, thereby can be right the utility model discloses an insulating nature improves, utilizes setting of wearing layer can increase at last the utility model discloses a wear resistance, thereby makes the utility model discloses difficult wearing and tearing to increase life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is a sectional view of the present invention.

In the figure: 1. a wear layer; 2. a low temperature resistant layer; 3. a second high temperature resistant layer; 4. a thermal insulation layer; 5. a first high temperature resistant layer; 6. a puncture-resistant layer; 7. an insulating layer; 8. a wire; 9. heat conducting wires; 10. a support pillar; 11. a cavity.

Detailed Description

The embodiment of the utility model provides a low temperature resistant cable, as shown in fig. 1-4, including a plurality of wires 8, a plurality of wires 8 twine each other to one strand, wire 8 outside is fixed and is equipped with insulating layer 7, insulating layer 7 is made for insulating material, can improve the insulating nature of the utility model, anti-puncture layer 6 is anti-puncture membrane, anti-puncture layer 6 is fixed to the outside of insulating layer 7, protection mechanism is fixed to the outside of anti-puncture layer 6;

the protection mechanism comprises a heat insulation layer 4, the heat insulation layer 4 is arranged outside the puncture-proof layer 6, the puncture-proof performance of the utility model can be enhanced, a plurality of support columns 10 are fixedly connected between the heat insulation layer 4 and the puncture-proof layer 6, a cavity 11 is arranged between the heat insulation layer 4 and the puncture-proof layer 6, a plurality of support columns 10 are all arranged inside the cavity 11, the space for expansion with heat and contraction with cold can be provided when the temperature is too high or too low, a first high temperature resistant layer 5 is arranged between two adjacent support columns 10, a plurality of support columns 10 are made of rubber materials, a plurality of heat conduction wires 9 are heat conduction wires, a second high temperature resistant layer 3 is fixedly arranged outside the heat insulation layer 4, a low temperature resistant layer 2 is fixedly arranged outside the second high temperature resistant layer 3, a plurality of wires 8 can be further protected in severe weather, and the low temperature resistant layer 2 is made of EVA materials, the wear-resistant layer 1 is fixedly arranged on the outer side of the low temperature resistant layer 2, the wear-resistant layer 1 is made of a wear-resistant material, so that the wear resistance of the utility model can be improved, the second high temperature resistant layer 3 and the first high temperature resistant layer 5 are made of paraffin materials, the heat conducting wires 9 are fixedly arranged inside the second high temperature resistant layer 3, the other ends of the heat conducting wires 9 all penetrate through the low temperature resistant layer 2 and are contacted with the inner wall of the wear-resistant layer 1, one ends of the heat conducting wires 9 extend to the outer side of the heat insulation layer 4 and are contacted with the heat conducting wires 9, the heat conducting wires 9 are uniformly distributed inside the second high temperature resistant layer 3, and the support columns 10 are uniformly distributed inside the cavity 11;

the implementation mode is specifically as follows: when the utility model is used, firstly, because the traditional cable has a structure which lacks good low temperature resistance and high temperature resistance, the cable is easy to be damaged when the cable is subjected to the higher temperature difference of special weather, thereby the service life of the cable is influenced and potential safety hazards exist, then the utility model can provide space for expansion and contraction when the cable is subjected to the overhigh or overlow temperature by utilizing the arrangement of the cavity 11, thereby avoiding the easy cracking caused by expansion and contraction, then the first high temperature resistant layer 5 can absorb heat and preserve heat for a plurality of leads 8 when the cable is subjected to the high temperature or the low temperature, then the second high temperature resistant layer 3 can be utilized to further protect a plurality of leads 8 in the severe weather, and then the low temperature resistant layer 2 is made of EVA material, thereby the utility model can resist the low temperature according to the property of the EVA material, thereby it is right the utility model discloses a low temperature resistance can improve, then recycle and prevent that puncture layer 6 is for preventing piercing the membrane, thereby can increase the utility model discloses an anti puncture performance, then recycle insulating layer 7 and make for insulating material, thereby can be right the utility model discloses an insulating nature improves, utilizes wearing layer 1's setting at last to increase the utility model discloses a wear resistance, thereby makes the utility model discloses be difficult for wearing and tearing to increase life, whole the utility model discloses made progress on high temperature and low temperature resistant.

The working principle is as follows: the utility model can provide space for expansion and contraction when receiving too high or too low temperature by utilizing the cavity 11, thereby avoiding easy cracking caused by expansion and contraction, then the first high temperature resistant layer 5 can absorb heat and preserve heat for a plurality of wires 8 when receiving high temperature or low temperature, then the second high temperature resistant layer 3 can be utilized to further protect a plurality of wires 8 in bad weather, then the low temperature resistant layer 2 is made of EVA material, thereby the utility model can resist low temperature according to the property of EVA material, thereby improving the low temperature resistance of the utility model, then the puncture-proof layer 6 is utilized as puncture-proof film, thereby the puncture-proof performance of the utility model can be increased, then the insulating layer 7 is made of insulating material, thereby the insulating property of the utility model can be improved, utilize wearing layer 1's setting can increase at last the utility model discloses a wear resistance can, thereby make the utility model discloses difficult wearing and tearing to increase life.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A low temperature resistant cable comprising a plurality of conductors (8), characterized in that: the plurality of wires (8) are mutually wound to form one strand, an insulating layer (7) is fixedly arranged on the outer side of each wire (8), a puncture-proof layer (6) is fixedly arranged on the outer side of each insulating layer (7), and a protection mechanism is fixedly arranged on the outer side of each puncture-proof layer (6);

protection mechanism includes insulating layer (4), insulating layer (4) are located and are prevented piercing layer (6) outside, insulating layer (4) and prevent a plurality of support columns (10) of fixedly connected with between piercing layer (6), insulating layer (4) and prevent piercing layer (6) between be equipped with cavity (11), it is a plurality of cavity (11) inside, adjacent two cavity (11) are all located in support column (10) all be equipped with first high temperature resistant layer (5) between support column (10), insulating layer (4) outside is fixed and is equipped with second high temperature resistant layer (3), the fixed low temperature resistant layer (2) that is equipped with in second high temperature resistant layer (3) outside, second high temperature resistant layer (3) inside is fixed and is equipped with heat conduction silk (9), heat conduction silk (9) one end extends to the insulating layer (4) outside and contacts with heat conduction silk (9).

2. A low temperature resistant cable according to claim 1, wherein: the second high-temperature-resistant layer (3) and the first high-temperature-resistant layer (5) are both made of paraffin materials.

3. A low temperature resistant cable according to claim 1, wherein: the supporting columns (10) are all made of rubber materials, and the heat conducting wires (9) are all heat conducting metal wires.

4. A low temperature resistant cable according to claim 1, wherein: the insulation layer (7) is made of insulation materials, and the anti-puncturing layer (6) is an anti-puncturing film.

5. A low temperature resistant cable according to claim 1, wherein: the low temperature resistant layer (2) is made of EVA materials, the outer side of the low temperature resistant layer (2) is fixedly provided with a wear-resistant layer (1), and the wear-resistant layer (1) is made of wear-resistant materials.

6. A low temperature resistant cable according to claim 1, wherein: the other ends of the heat conducting wires (9) penetrate through the low-temperature resistant layer (2) and are in contact with the inner wall of the wear-resistant layer (1).

7. A low temperature resistant cable according to claim 1, wherein: the heat conducting wires (9) are uniformly distributed inside the second high-temperature-resistant layer (3), and the supporting columns (10) are uniformly distributed inside the cavity (11).